Questions

The famous tennis player Steffi Graf belongs to which among the following countries?

The question below consists of a set of labelled sentences. These sentences, when properly sequenced form a coherent paragraph. Select the most logical order of sentences from among the options.

P: Young boys and girls seem to have become inordinately addicted to these sites.
Q: The parents, teachers and the government must look into the problems being caused by these networking sites and must formulate a strategy either to curb or completely stop its fast growing negative influence on the minds of our youth.
R: Smart-phones, computers, social media, internet and networking sites such as Facebook and Twitter have become source of major distractions for students.
S: They are thoughtlessly and uselessly wasting their precious time on these sites.

An echo is returned in 3 s. What is the distance of the reflecting surface from the source, considering the speed of sound as 342 ms-1?

Evaporation of water takes place in which part of plants?

An object of 1.2 cm height is placed 30 cm before a concave mirror of focal length of 20 cm toget a real image at a distance of 60 cm from the mirror. What is the height of the image formed?

On 5 March 2017, who launched an artificial intelligence – driven chatbot named ‘EVA (Electronic Virtual Assistant)’ for customer services? 

To become a member of the Rajya Sabha a person should be at least _____ years old.

Which of the following Five Year Plan can be strategically associated with the Green Revolution?